Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 160842
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1242 AM PST MON JAN 16 2017


...................................

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JANUARY 15 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         53    341 PM  70    2014  55     -2       56
  MINIMUM         36    313 AM  18    2007  37     -1       36
  AVERAGE         45                        46     -1       46

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.21
  MONTH TO DATE    7.74                                      3.24
  SINCE OCT 1     16.69                                      7.43
  SINCE JAN 1      7.74                                      3.24

DEGREE DAYS
 HEATING
  YESTERDAY       20                                        19
  MONTH TO DATE  242                                       259
  SINCE DEC 1    787                                       837
  SINCE JUL 1   1291                                      1378

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                         0
  SINCE DEC 1      0                                         0
  SINCE JAN 1      0                                         0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   E (90)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     5.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           400 AM
 LOWEST     71          1200 PM
 AVERAGE    82

..........................................................


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   55        70      2014
 MINIMUM TEMPERATURE (F)   37        20      2007


SUNRISE AND SUNSET
JANUARY 16 2017.......SUNRISE   724 AM PST   SUNSET   515 PM PST
JANUARY 17 2017.......SUNRISE   723 AM PST   SUNSET   516 PM PST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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